You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.1 KiB
49 lines
1.1 KiB
4 months ago
|
// RUN: %clang_asan -O0 %s -o %t
|
||
|
|
// RUN: not %run %t 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
// Since ASan is built with -fomit-frame-pointer, backtrace is not able to
|
||
|
|
// symbolicate the trace past ASan runtime on i386. (This is fixed in
|
||
|
|
// latest OS X.)
|
||
|
|
// REQUIRES: asan-64-bits
|
||
|
|
|
||
|
|
#include <execinfo.h>
|
||
|
|
#include <sanitizer/common_interface_defs.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
void death_function() {
|
||
|
|
fprintf(stderr, "DEATH CALLBACK\n");
|
||
|
|
|
||
|
|
void* callstack[128];
|
||
|
|
int i, frames = backtrace(callstack, 128);
|
||
|
|
char** strs = backtrace_symbols(callstack, frames);
|
||
|
|
for (i = 0; i < frames; ++i) {
|
||
|
|
fprintf(stderr, "%s\n", strs[i]);
|
||
|
|
}
|
||
|
|
free(strs);
|
||
|
|
|
||
|
|
fprintf(stderr, "END OF BACKTRACE\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
int fault_function() {
|
||
|
|
char *x = (char*)malloc(10 * sizeof(char));
|
||
|
|
free(x);
|
||
|
|
return x[5]; // BOOM
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
__sanitizer_set_death_callback(death_function);
|
||
|
|
fault_function();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
|
||
|
|
// CHECK: {{READ of size 1 at 0x.* thread T0}}
|
||
|
|
// CHECK: {{ #0 0x.* in fault_function}}
|
||
|
|
|
||
|
|
// CHECK: DEATH CALLBACK
|
||
|
|
// CHECK: death_function
|
||
|
|
// CHECK: fault_function
|
||
|
|
// CHECK: main
|
||
|
|
// CHECK: END OF BACKTRACE
|